X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=inline;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftext%2FPartContainer.java;h=7d8acd6e62ed9f828e2f8841b33bfd4c3a22a0ff;hb=cb0161bb413434c393ae09d46001dba66b876875;hp=739985932c6b463ef360870d07e140e472d06295;hpb=e8411efc4eaff6418cad496eb34fd7bc260eb9cd;p=Sone.git
diff --git a/src/main/java/net/pterodactylus/sone/text/PartContainer.java b/src/main/java/net/pterodactylus/sone/text/PartContainer.java
index 7399859..7d8acd6 100644
--- a/src/main/java/net/pterodactylus/sone/text/PartContainer.java
+++ b/src/main/java/net/pterodactylus/sone/text/PartContainer.java
@@ -1,5 +1,5 @@
/*
- * Sone - PartContainer.java - Copyright © 2010 David Roden
+ * Sone - PartContainer.java - Copyright © 2010â2013 David Roden
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -17,10 +17,12 @@
package net.pterodactylus.sone.text;
-import java.io.IOException;
-import java.io.Writer;
+import java.util.ArrayDeque;
import java.util.ArrayList;
+import java.util.Deque;
+import java.util.Iterator;
import java.util.List;
+import java.util.NoSuchElementException;
/**
* Part implementation that can contain an arbitrary amount of other parts.
@@ -29,7 +31,7 @@ import java.util.List;
*
* @author David âBombeâ Roden
*/
-public class PartContainer implements Part {
+public class PartContainer implements Part, Iterable {
/** The parts to render. */
private final List parts = new ArrayList();
@@ -48,6 +50,36 @@ public class PartContainer implements Part {
parts.add(part);
}
+ /**
+ * Returns the part at the given index.
+ *
+ * @param index
+ * The index of the part
+ * @return The part
+ */
+ public Part getPart(int index) {
+ return parts.get(index);
+ }
+
+ /**
+ * Removes the part at the given index.
+ *
+ * @param index
+ * The index of the part to remove
+ */
+ public void removePart(int index) {
+ parts.remove(index);
+ }
+
+ /**
+ * Returns the number of parts.
+ *
+ * @return The number of parts
+ */
+ public int size() {
+ return parts.size();
+ }
+
//
// PART METHODS
//
@@ -56,10 +88,78 @@ public class PartContainer implements Part {
* {@inheritDoc}
*/
@Override
- public void render(Writer writer) throws IOException {
+ public String getText() {
+ StringBuilder partText = new StringBuilder();
for (Part part : parts) {
- part.render(writer);
+ partText.append(part.getText());
}
+ return partText.toString();
+ }
+
+ //
+ // ITERABLE METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @SuppressWarnings("synthetic-access")
+ public Iterator iterator() {
+ return new Iterator() {
+
+ private Deque> partStack = new ArrayDeque>();
+ private Part nextPart;
+ private boolean foundNextPart;
+ private boolean noNextPart;
+
+ {
+ partStack.push(parts.iterator());
+ }
+
+ private void findNext() {
+ if (foundNextPart) {
+ return;
+ }
+ noNextPart = true;
+ while (!partStack.isEmpty()) {
+ Iterator parts = partStack.pop();
+ if (parts.hasNext()) {
+ nextPart = parts.next();
+ partStack.push(parts);
+ if (nextPart instanceof PartContainer) {
+ partStack.push(((PartContainer) nextPart).iterator());
+ } else {
+ noNextPart = false;
+ break;
+ }
+ }
+ }
+ foundNextPart = true;
+ }
+
+ @Override
+ public boolean hasNext() {
+ findNext();
+ return !noNextPart;
+ }
+
+ @Override
+ public Part next() {
+ findNext();
+ if (noNextPart) {
+ throw new NoSuchElementException();
+ }
+ foundNextPart = false;
+ return nextPart;
+ }
+
+ @Override
+ public void remove() {
+ /* ignore. */
+ }
+
+ };
}
}